| Name of Satellite, Alternate Names | Kiku-8 (ETS-8, Engineering Test Satellite 8) |
| Country of Operator/Owner | Japan |
| Operator/Owner | National Institute of Information and Communications Technology (NICT) |
| Users | Government |
| Purpose | Technology Development |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 146.06 |
| Perigee (km) | 35778 |
| Apogee (km) | 35792 |
| Eccentricity | 0.000166053848890997 |
| Inclination (degrees) | 0.03 |
| Period (minutes) | 1436.04 |
| Launch Mass (kg.) | 5800 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 18-12-2006 |
| Expected Lifetime | |
| Contractor | Mitsubishi Electric |
| Country of Contractor | Japan |
| Launch Site | Tanegashima Space Center |
| Launch Vehicle | H2A |
| COSPAR Number | 2006-059A |
| NORAD Number | 29656 |
| Comments | Technology development for satellite communications; JAXA portion completed. |